Brief Answer: Needs evaluations. Detailed Answer: Hi, thanks for using HCM. I went through your query and understood your concerns. Night sweats are a common problem seen in many people . Although uncomfortable, night sweats typically aren't a sign of a medical problem. room temperature, blanket do has role in sweating. There few medications and medical conditions do present with excess night sweating. First, make sure your uncles bedroom is at a comfortable temperature for sleeping and remove extra blankets from his bed at night. Need to consult doctor for examination, if his symptoms are associated with: Occur on a regular basis Interrupt his sleep Are accompanied by a fever or other symptoms, such as unexplained weight loss. With history of ECG changes, better to have regular doctor visit. You can check his BP regularly in home itself and regular examination by a qualified doctor. Hope I answered your query. Feel free to ask further related query. I will be glade to answer them. Wish your uncle a good health. Regards

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